1set Digital AM2305 Temperature Humidity Sensors Humidity Transmitter module

Description

Measuring range:
: -40 ... + 80 ° C; S®: 0 ... 99.9% RH Accuracy (250 ° C):
Temperature: o.rc Humidity: 0.1% RH Attenuation: ■:
Single bus interface definition
AM2305 pin assignment
Table 1: AM2305 Pin Assignments
Pin
Colour
name
description
1
red
VDD
Power supply (3.3V-5.5V)
2
yellow
SDA
Serial data, bidirectional port
3
GND
Ground
4
NC
Empty feet
Figure 1: AM2305 Pin Assignment Diagram Power Supply Pin (VDDGND)
The AM2305 operates from a supply voltage range of 3.3V to 5.5V and is recommended for 5V. Serial Data (SDA)
The SDA pin is tri-stated for reading and writing sensor data. Specific communication timing, see the detailed description of the communication protocol.
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